Same here, noticed a few times that fan is very loud and happened to notice lightdm owned process evolution-calendar-factory was causing it. Killing it brings cpu usage down.
Linux jaytec 3.6.7-030607-generic #201211171710 SMP Sat Nov 17 22:10:54 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
Same here, noticed a few times that fan is very loud and happened to notice lightdm owned process evolution- calendar- factory was causing it. Killing it brings cpu usage down.
Linux jaytec 3.6.7-030607- generic #201211171710 SMP Sat Nov 17 22:10:54 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
Added some ubuntu-bug generated info.